# Service bulletin B320219

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10153750
- Published by NHTSA: 2019\-02\-25
- Manufacturer's number: B320219
- Manufacturer's date: 2019\-01\-01
- NHTSA component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; STEERING

## NHTSA's summary

STEERING ASSISTANCE FAILURE DUE TO FAILURE OF AUXILIARY BATTERY. The steering is made more difficult by failure of the 12 V auxiliary battery. The Check Control message lights up: It is possible to continue driving. Steering effort and/or steering behavior is changed. Drive moderately. Failure of 12V auxiliary battery.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10153750-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10153750-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Steering, 12\-volt battery

## Vehicles listed

- 2017 BMW 740E
- 2017 BMW 740I
- 2016 to 2017 BMW 740LI
- 2016 to 2017 BMW 750LI
- 2017 BMW M760I

## Other bulletins for the same vehicles and component

- [B612420](/bulletins/10200239.md), 2021-08-09, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Some of the vehicles listed above which were initially identified as requiring Recall Campaign 20V\-601 \- HIGH VOLTAGE BATTERY to be performed and completed are now no longer included in this Recall.
- [B651419](/bulletins/10166390.md), 2019-10-21, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. HEAD UNIT NBT EVO \(HU\-H2\) PROGRAMMING ABORT: The CID screen may light up blue. When this occurs A battery reset is not successful in restoring head unit operation Software error in the Bootloader file \(BTLD\) of the head unit.
- [B610919](/bulletins/10163050.md), 2019-07-22, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SERVICE ACTION: CHECKING THE SIGNAL WIRE AT POWER DISTRIBUTION BOX. The lithium\-ion battery in the dual storage system is connected to the terminal 30C to enable issuing a switch\-off command in the event of a crash.
- [B610619](/bulletins/10161567.md), 2019-06-24, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT. HIGH VOLTAGE DIAGNOSTIC SPECIALIST TRAINING AND EQUIPMENT STRATEGY. INFORMATION The ST1821 High Voltage Diagnostic Specialist Certification \(HVS\) is the next step in the E\-mobility service strategy for BMW technicians.
- [B610419](/bulletins/10160348.md), 2019-05-20, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ENGINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. VEHICLE DOES NOT START BATTERY TOTALLY DISCHARGED This Service Information bulletin replaces SI B61 04 19 dated March 2019.
- [B610419](/bulletins/10160265.md), 2019-05-20, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. VEHICLE DOES NOT START BATTERY TOTALLY DISCHARGED This Service Information bulletin replaces SI B61 04 19 dated March 2019.
- [B610419](/bulletins/10159134.md), 2019-04-22, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. THE VEHICLE DOES NOT START BATTERY TOTALLY DISCHARGED. The customer's vehicle does not start due to a totally discharged battery.
- [B010918](/bulletins/10145275.md), 2018-10-09, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. HIGH\-VOLTAGE BATTERY SAFETY BOX: LIMITED WARRANTY EXTENSION TO 10 YEARS/120,000 MILEAGE: For the eligible vehicles, BMW of North America, LLC \(ÒBMW NAÓ\) is extending the limited warranty for the vehicleÕs high\-voltage battery safety box to:

JSON: [/v1/bulletins/10153750](/v1/bulletins/10153750)

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